Wilson, G. (1921). Abstract of paper on frogs and their relatives.
Lua i Stíl Chicago (17ú heag.)Wilson, Gregg. Abstract of Paper on Frogs and Their Relatives. 1921.
Lua MLA (9ú heag.)Wilson, Gregg. Abstract of Paper on Frogs and Their Relatives. 1921.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.